PSW inverter



FIG. 1 is a top, front and side perspective view of a PSW inverter showing our new design;

FIG. 2 is a top, rear and side perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevation view thereof; and,

FIG. 5 is a rear elevation view thereof.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design. 

The ornamental design for a PSW inverter, as shown and described. 